Fix, Download, and Update Db_mx4.sig

Last Updated: 11/27/2023
[Time to Read: ~3-5 minutes]

Signature files such as db_mx4.sig utilize the SIG file extension. This file is considered a Text (Signature) file, and was first created by Avast Software for the Avast Internet Security 19.6.2383 software package.

The first version of db_mx4.sig was released for the Windows 10 Operating System on 09/20/2019 inside AVG Antivirus 19.8.3108. The latest version update [v19.6.2383] for Avast Internet Security was 19.6.2383 released on 06/28/2019.

Continue reading below to discover detailed file information, SIG file troubleshooting, and free downloads of several versions of db_mx4.sig.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: db_mx4.sig
File Extension: SIG file extension
File Type: Text
Description: Signature
User Popularity Rating:
 
Developer and Software Information
Software Program: Avast Internet Security 19.6.2383
Developer: Avast Software
Software: Avast Internet Security
Software Version: 19.6.2383
File Details
File Size (Bytes): 8325
Oldest File Date: 09/30/2019
Latest File Date: 10/30/2019


What are db_mx4.sig Error Messages?


General db_mx4.sig Runtime Errors

db_mx4.sig file errors often occur during the startup phase of Avast Internet Security, but can also occur while the program is running. These types SIG errors are also known as “runtime errors” because they occur while Avast Internet Security is running. Here are some of the most common db_mx4.sig runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files\AVAST Software\Avast\defs\19102900\db_mx4.sig

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most SIG errors are due to missing or corrupt files. Your db_mx4.sig file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Avast Internet Security), or deleted by a malware infection. Furthermore, db_mx4.sig file corruption could be caused from a power outage when loading Avast Internet Security, system crash while loading or saving db_mx4.sig, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix db_mx4.sig Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your db_mx4.sig issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the db_mx4.sig error, please proceed to the Step 2 below.

Step 2: If recently installed Avast Internet Security (or related software), uninstall then try reinstalling Avast Internet Security software.

You can uninstall Avast Internet Security software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Avast Internet Security 19.6.2383 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Avast Internet Security software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Avast Internet Security 19.6.2383

Avast Software

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many db_mx4.sig error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the db_mx4.sig error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your db_mx4.sig File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate db_mx4.sig file version. We maintain a comprehensive database of 100% malware-free db_mx4.sig files for every applicable version of Avast Internet Security. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download db_mx4.sig Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Avast Internet Security folder location:
    Windows 10: C:\Program Files\AVAST Software\Avast\defs\19102900\
    Windows 10: C:\Program Files (x86)\AVG\Antivirus\defs\19102202\
    Windows 10: C:\Program Files\AVAST Software\Avast\defs\19093002\
    Windows 10: C:\Program Files\AVAST Software\Avast\defs\19092903\
    Windows 10: C:\Program Files\AVG\Antivirus\defs\19093002\
    Show 1 more directory +
    Windows 10: C:\Program Files\AVG\Antivirus\defs\19092903\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve db_mx4.sig problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download db_mx4.sig Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying db_mx4.sig to your appropriate Windows system directory. Avast Software typically does not release Avast Internet Security SIG files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing db_mx4.sig and all other SIG files for Avast Internet Security. An incorrectly installed SIG file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to db_mx4.sig


SIG Files Related to db_mx4.sig

File Name Description Software Program (Version) File Size (bytes) File Location
db_o7.sig Signature Avast Internet Security 19.6.2383 72669 C:\ProgramData\Microsoft\Windows\Start Menu\Pro...
db_dyna.sig Signature Avast Internet Security 19.6.2383 25903 C:\ProgramData\Microsoft\Windows\Start Menu\Pro...
db_pe.sig Signature Avast Internet Security 19.6.2383 4355694 C:\Documents and Settings\All Users\Start Menu\...
db_cmd.sig Signature Avast Internet Security 19.6.2383 9014 C:\ProgramData\Microsoft\Windows\Start Menu\Pro...
db_mx4.sig Signature Avast Internet Security 19.6.2383 8325 C:\ProgramData\Microsoft\Windows\Start Menu\Pro...

Other Files Related to db_mx4.sig

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log Avast Internet Security 19.6.2383 217139 C:\Windows\Logs\DPX\
SA.DAT Game Data Avast Internet Security 19.6.2383 6 C:\WINDOWS\Tasks\
ts_generic.PNF Precompiled INF Avast Antivirus 19.8.2393 9068 C:\Windows\inf\
machine.PNF Precompiled INF Avast Antivirus 19.8.2393 152316 C:\Windows\inf\
wsdprint.PNF Precompiled INF Avast Antivirus 19.8.2393 8172 C:\Windows\inf\


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